Zumbrota Drivetrain

Red Line Shock Proof Gear Oil

$112.89

SKU: OK 3-QRT-A

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Zumbrota Drivetrain OK 3-QRT-A is a 3-quart package of Red Line "Shock Proof" Synthetic Oil, formulated with posi additive and meeting GL-5 specifications. Manufactured by Yukon Gear and Axle, this product is presented as a universal fit solution. It is sold in a 3-quart quantity, suitable for topping off or refilling differential units. The oil's "Shock Proof" designation indicates its suitability for high-impact and extreme pressure conditions often encountered in heavy-duty differentials. This product is currently on backorder and will ship upon availability. Expedited shipping options are available at checkout, with most orders expected to deliver in 1-2 days after dispatch. For specific fitment questions or assistance with part selection for your build project, Zumbrota Drivetrain offers live tech support via chat or phone.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandZumbrota Drivetrain
Part NumberOK 3-QRT-A
CategoryOils, Fluids and Sealer

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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